package jiarizuoye;

public interface Isp {
	public boolean insertSp(Sp s) ;
	public boolean saledSp(int id) ;
	public boolean updateById(Sp s);
	public void selectAllSp() ;
	public void selectSpById(int id) ;
	public void selectSpByName(String name) ;
	public void selectSpByPrice(double min,double max) ;
	public void selectSpzted() ;
	public Sp[] sortSpByNum();
	
}
